<?php
/**
 * Smarty shared plugin
 *
 * @package    Smarty
 * @subpackage PluginsShared
 */

/**
 * Function: smarty_make_timestamp<br>
 * Purpose:  used by other smarty functions to make a timestamp from a string.
 *
 * @author   Monte Ohrt <monte at ohrt dot com>
 *
 * @param DateTime|int|string $string date object, timestamp or string that can be converted using strtotime()
 *
 * @return int
 */
function smarty_make_timestamp($string) {
	if (empty($string))
	{
		// use "now":
		return time();
	}
	elseif ($string instanceof DateTime)
	{
		return $string->getTimestamp();
	}
	elseif (strlen($string) == 14 && ctype_digit($string))
	{
		// it is mysql timestamp format of YYYYMMDDHHMMSS?
		return mktime(substr($string, 8, 2), substr($string, 10, 2), substr($string, 12, 2), substr($string, 4, 2), substr($string, 6, 2), substr($string, 0, 4));
	}
	elseif (is_numeric($string))
	{
		// it is a numeric string, we handle it as timestamp
		return (int)$string;
	}
	else
	{
		// strtotime should handle it
		$time = strtotime($string);
		if ($time == -1 || $time === false)
		{
			// strtotime() was not able to parse $string, use "now":
			return time();
		}

		return $time;
	}
}

?>
